docs: def subprocessLaunch():
      """
      This function is called by the hxw script.
      It takes no arguments, and returns an instance of HendrixDeploy
      """
      if not redis_available:
          raise RedisException("can't launch this subprocess without tiempo/redis.")
      try:
          action = 'start'
          options = REDIS.get('worker_args')
          assignDeploymentInstance(action='start', options=options)
      except Exception:
          chalk.red('\n Encountered an unhandled exception while trying to %s hendrix.\n' % action, pipe=chalk.stderr)
          raise